Guitar cork holder



FIG. 1 is a left side, front and top perspective view of a guitar cork holder showing my new design;

FIG. 2 is a back, bottom and left side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a left side view thereof.

The broken lines depict portions of the guitar cork holder that form no part of the claimed design. 

CLAIM The ornamental design for a guitar cork holder, as shown and described. 